package util;

//JDBC工具类 使用Durid连接池

import com.alibaba.druid.pool.DruidDataSourceFactory;

import javax.sql.DataSource;
import java.io.IOException;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Properties;

public class JDBCUtils {
    private static DataSource ds;

    static{

        try{
            //1.加载配置文件
            Properties pro=new Properties();
            //使用ClassLoader加载配置文件，获取字节输入流
            InputStream is=JDBCUtils.class.getClassLoader().getResourceAsStream("druid.properties");
            pro.load(is);

            //2.初始化连接池对象
            ds= DruidDataSourceFactory.createDataSource(pro);

        }catch (IOException e){
            e.printStackTrace();
        }catch (Exception e){
            e.printStackTrace();
        }
    }


    //获取连接池对象
    public  static DataSource getDataSourse(){
        return ds;
    }


    //获取连接Connection对象
    public static Connection getConnection() throws SQLException{
        return ds.getConnection();
    }
}
